<template>
	<!-- 购物车展示区 -->
	<view class="cart-container" v-if="cart.length !== 0">
		<!-- 收获地址 -->
		<my-address></my-address>
		<!-- 购物车标题区 -->
		<view class="cart-title">
			<uni-icons type="shop" size="18"></uni-icons>
			<text class="cart-title-text">购物车</text>
		</view>
		<!-- 商品列表区 -->
		<uni-swipe-action>
			<block v-for="item in cart" :key="item.goods_id">
				<uni-swipe-action-item :right-options='options' @click="swipeItemClickHandler(item)">
					<my-goods :goods="item" :show-radio="true" :show-num="true" @radio-change="radioChangeHandler"
						@num-change="numberChangeHandler">
					</my-goods>
				</uni-swipe-action-item>
			</block>
		</uni-swipe-action>
		<my-settle></my-settle>
	</view>
	<!-- 空购物车展示区 -->
	<view class="empty-cart" v-else>
		<image src="/static/cart_empty@2x.png" class="empty-img"></image>
		<text class="tip-text">空空如也~</text>
	</view>
</template>

<script>
	import {mapState,mapMutations} from 'vuex'
	import badgeMix from '@/mixins/tabbar.js'
	export default {
		mixins: [badgeMix],
		data() {
			return {
				options: [{
						text: '删除',
						style: {
							backgroundColor: '#c00000'
						}
					}]
				};
			},
			computed: {
					...mapState('m_cart', ['cart'])
				},
			methods: {
					...mapMutations('m_cart', ['updateGoodsState', 'updateGoodsCount','removeGoodsById']),

					radioChangeHandler(e) {
						this.updateGoodsState(e)
					},
					numberChangeHandler(e) {
						this.updateGoodsCount(e)
					},
					// 左滑删除商品
					swipeItemClickHandler(goods){
						this.removeGoodsById(goods)
					}
				}

		}
</script>

<style lang="scss">
	.cart-container{
		padding-bottom: 50px;
	}
	.cart-title {
		height: 40px;
		display: flex;
		align-items: center;
		font-size: 14px;
		padding-left: 5px;
		border-bottom: 1px solid #efefef;

		.cart-title-text {
			font-size: 14px;
			margin-left: 10px;
		}
	}
	.empty-cart{
		display: flex;
		flex-direction: column;
		align-items: center;
		padding-top: 180px;
		.empty-img{
			width: 90px;
			height: 90px;
		}
		.tip-text{
			font-size: 12px;
			color: gray;
			margin-top: 15px;
		}
	}
</style>
